/**
 * timeline.css
 *
 * Styles for the timeline panel and keyframe editor
 */

.timeline-panel {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 200px;
  background: #1a1a1a;
  border-top: 1px solid #333;
  z-index: 100;
  display: flex;
  flex-direction: column;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  user-select: none;
}

.timeline-resize-handle {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: transparent;
  cursor: ns-resize;
  z-index: 10;
}

.timeline-resize-handle:hover {
  background: #4a90e2;
}

.timeline-header {
  display: flex;
  align-items: center;
  padding: 8px 10px;
  background: #242424;
  border-bottom: 1px solid #333;
  min-height: 40px;
  flex-shrink: 0;
}

.timeline-controls {
  display: flex;
  align-items: center;
  gap: 5px;
}

.timeline-button {
  padding: 5px 10px;
  background: #333;
  color: #fff;
  border: 1px solid #444;
  border-radius: 3px;
  cursor: pointer;
  font-size: 14px;
  font-weight: bold;
  transition: background 0.2s;
}

.timeline-button:hover {
  background: #3a3a3a;
}

.timeline-button:active {
  background: #2a2a2a;
}

.timeline-time-display {
  padding: 5px 10px;
  background: #1a1a1a;
  color: #4af;
  border: 1px solid #333;
  border-radius: 3px;
  font-family: 'Courier New', monospace;
  font-size: 13px;
  min-width: 60px;
  text-align: center;
}

.timeline-duration-input,
.timeline-fps-input {
  width: 60px;
  padding: 4px 6px;
  background: #1a1a1a;
  color: #fff;
  border: 1px solid #444;
  border-radius: 3px;
  font-size: 12px;
  font-family: 'Courier New', monospace;
}

.timeline-duration-input:focus,
.timeline-fps-input:focus {
  outline: none;
  border-color: #4a90e2;
}

.timeline-enable-toggle {
  padding: 5px 12px;
  background: #4a90e2;
  color: #fff;
  border: 1px solid #3a80d2;
  border-radius: 3px;
  cursor: pointer;
  font-size: 12px;
  font-weight: 500;
  margin-left: auto;
  transition: all 0.2s;
  opacity: 0.7;
}

.timeline-enable-toggle:hover {
  opacity: 1;
  background: #5aa0f2;
}

.timeline-canvas {
  flex: 1;
  width: 100%;
  background: #1a1a1a;
  cursor: default;
}

/* Scrollbar styling for timeline */
.timeline-panel::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

.timeline-panel::-webkit-scrollbar-track {
  background: #1a1a1a;
}

.timeline-panel::-webkit-scrollbar-thumb {
  background: #444;
  border-radius: 5px;
}

.timeline-panel::-webkit-scrollbar-thumb:hover {
  background: #555;
}

/* Input field labels */
.timeline-controls label {
  color: #aaa;
  font-size: 12px;
  font-weight: 500;
}

/* Keyframe diamond styles (applied via canvas, but documented here) */
/*
  Keyframe colors:
  - Default: #4a90e2 (blue)
  - Hovered: #4af (bright blue)
  - Selected: #4f4 (green)
  - Linear interpolation: blue
  - Ease-in/out: orange
  - Step: gray
*/

/* Track background alternating colors */
/*
  Even tracks: #1e1e1e
  Odd tracks: #252525
*/

/* Playhead */
/*
  Color: #f44 (red)
  Width: 2px
*/

/* Ruler */
/*
  Background: #2a2a2a
  Text color: #aaa
  Tick color: #666
*/

/* Responsive adjustments */
@media (max-width: 768px) {
  .timeline-panel {
    height: 150px;
  }

  .timeline-button {
    padding: 4px 8px;
    font-size: 12px;
  }

  .timeline-duration-input,
  .timeline-fps-input {
    width: 50px;
  }
}

/* Animation for show/hide */
@keyframes slideUp {
  from {
    transform: translateY(100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes slideDown {
  from {
    transform: translateY(0);
    opacity: 1;
  }
  to {
    transform: translateY(100%);
    opacity: 0;
  }
}

.timeline-panel.show {
  animation: slideUp 0.3s ease-out;
}

.timeline-panel.hide {
  animation: slideDown 0.3s ease-out;
}

/* Tooltip styles for keyframes (future enhancement) */
.timeline-keyframe-tooltip {
  position: absolute;
  background: rgba(0, 0, 0, 0.9);
  color: #fff;
  padding: 4px 8px;
  border-radius: 3px;
  font-size: 11px;
  font-family: 'Courier New', monospace;
  pointer-events: none;
  z-index: 1000;
  white-space: nowrap;
}

/* Context menu for keyframes (future enhancement) */
.timeline-context-menu {
  position: absolute;
  background: #2a2a2a;
  border: 1px solid #444;
  border-radius: 3px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
  z-index: 1001;
  min-width: 150px;
}

.timeline-context-menu-item {
  padding: 8px 12px;
  color: #fff;
  font-size: 12px;
  cursor: pointer;
  transition: background 0.2s;
}

.timeline-context-menu-item:hover {
  background: #3a3a3a;
}

.timeline-context-menu-separator {
  height: 1px;
  background: #444;
  margin: 4px 0;
}